Home / 17,916.08-24,727.32-17,128.88

Finding the Fourth Proportional to 17,916.08, 24,727.32 and 17,128.88

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Solution

The fourth proportional to 17,916.08, 24,727.32 and 17,128.88 is: 23,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.08 : 24,727.32 = 17,128.88 : x
  2. Step 2: Convert to fraction form
    17,916.08/24,727.32 = 17,128.88/x
  3. Step 3: Cross multiply
    17,916.08x = 24,727.32 × 17,128.88
  4. Step 4: Simplify right side
    17,916.08x = 423,551,297.00
  5. Step 5: Solve for x
    x = 423,551,297.00/17,916.08
  6. Step 6: Final answer
    x = 23,640.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.